package com.ruoyi.framework.security.filter;

import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


import com.ruoyi.framework.security.token.SysUserAuthenticationToken;
import com.ruoyi.framework.security.token.UserAuthenticationToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.web.service.UserTokenService;

/**
 * token过滤器 验证token有效性
 *
 * @author ruoyi
 */
@Component
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {
    /**
     * 处理【前台用户token】和【后台用户token】
     **/
    @Autowired
    private UserTokenService userTokenService;


    @Override
    protected void doFilterInternal(HttpServletRequest request,
                                    HttpServletResponse response,
                                    FilterChain chain)
            throws ServletException, IOException {

        //【这里要验证是“前台用户”？还是“后台用户”】
        LoginUser loginUser = userTokenService.getLoginUser(request);
        if (StringUtils.isNotNull(loginUser) && StringUtils.isNull(SecurityUtils.getAuthentication())) {
            //验证后台 token
            userTokenService.verifyToken(loginUser);
            // UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(loginUser, null, loginUser.getAuthorities());
            SysUserAuthenticationToken authenticationToken = new SysUserAuthenticationToken(loginUser, null, loginUser.getAuthorities());
            authenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
            SecurityContextHolder.getContext().setAuthentication(authenticationToken);
        }

        chain.doFilter(request, response);
    }
}
